The company introduced the Eastern European version of the ZyXEL adapter IP telephony and P-2301RL P-2301R, targeting a wide range of home users. Model P-2301RL EE can add to the normal home telephone set functionality of IP phone standard SIP. In other words, with the phone connected via the adapter, you can, as always, enjoy the city line for local calls and long distance and international calls made through the Internet - from operators of VoIP telephony tariffs. It ZyXEL P-2301RL allows you to enter phone numbers familiar way - without any new codes have been and prefixes, and proprietary technology Call Duo automatically selects to connect the Internet or the city line, based on user preferences and the results of mining number entered. Another advantage of P-2301RL is to support tone and pulse dialing from both the telephone and from the telephone line. And even if lost connection to the Internet or disappear power adapter, the user does not need to change - the phone will work with the city line, as if the adapter is not at all.